A critique on the micromachining of steel
by Mark J. Jackson, Tamara Novakov
International Journal of Computational Materials Science and Surface Engineering (IJCMSSE), Vol. 3, No. 2/3, 2010

Abstract: A critique on some recent computational results on the subject of micromachining of steel is presented in this paper. A scientific-based criticism is presented of selected results and analysis on the nature of chip formation at the microscale. The paper confirms that a mechanism known as 'quasi-shear extrusion' takes place when machining materials of variable hardness and is confirmed using a dedicated finite element model for the analysis of machining at the microscale. The authors also provide an insight into how to further investigate the phenomenon of 'quasi-shear extrusion chip formation' from an experimental viewpoint.

Online publication date: Mon, 10-May-2010

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